ISO 710-6:1984

Graphical symbols for use on detailed maps, plans and geological cross-sections — Part 6: Representation of contact rocks and rocks which have undergone metasomatic, pneumatolytic or hydrothermal transformation or transformation by weathering

Provides a series of graphical symbols to represent rocks which have originated as the result of contact metamorphism or other effects. The symbols are divided into four groups which are shown in the table: a) contact rocks; b) metasomatic transformation; c) pneumatolytic and hydrothermal processes; d) weathering processes.